Arduino-CLI python GUI

# !/usr/bin/python3
from tkinter import *
from tkinter import messagebox
import subprocess
import os

# get example path
blink_dirpath = os.getcwd() + '/' + 'blink/'
print (blink_dirpath)

# global board variables
FQBN = ""
PORT = ""
ID = ""
NAME = ""

# get the first board detected info.
def getConnectedBoardInfo():
   global FQBN, PORT, ID, NAME
   errcode, result = run_cmd('arduino-cli board list')
   if errcode == None:
      if len(result) > 2:
         #print (result[1])
         FQBN, PORT, ID, NAME =  (result[1].decode('UTF-8').replace('\n', '')).split("\t")
         return True
   else:
      print (errcode)
      return False

# save the blink file data for show
def saveBlinkFile(file_data):
   with open(blink_dirpath + 'blink.ino', 'w') as f:
      f.write(file_data)
   f.close()

# get the blink file data for show
def getBlinkFile():
   with open(blink_dirpath + 'blink.ino') as f:
      read_data = f.read()
   f.close()
   return read_data

# run cmd
def run_cmd(win_cmd):
   result = []
   process = subprocess.Popen(win_cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
   for line in process.stdout:
      result.append(line)
   errcode = process.returncode
   return errcode, result

# check if the runned process has error or error code
def isProcessOk(errcode, result):
   errorMsg = ""
   if result[0].decode('UTF-8').find('Error') == -1 and  errcode == None:
      return True ,errorMsg
   else:
      errorMsg = "error code: " + str(errcode)
      errorMsg = errorMsg + "\nresult:\n"
      for line in result:
         errorMsg = errorMsg + line.decode('UTF-8') + "\n"
      return False, errorMsg

# call back of the button press
def buttonPress():
   saveBlinkFile(text.get("1.0","end-1c"))
   #set message
   msg_output= "Process completed"
   # first compile
   win_cmd = 'arduino-cli compile -b ' + FQBN + '  ' + blink_dirpath
   errcode, result = run_cmd(win_cmd)
   isOk, errorMsg = isProcessOk(errcode, result)
   if isOk:
      #now we upload
      win_cmd = 'arduino-cli upload -b ' + FQBN + ' -p '+ PORT +' '  + blink_dirpath
      errcode, result = run_cmd(win_cmd)
      # if any result it means error
      if len(result):
         isOk, errorMsg = isProcessOk(errcode, result)
         if not isOk:
               msg_output = errorMsg
   else:
      msg_output = errorMsg
   # output as popup
   msg = messagebox.showinfo( "Compile And Upload", msg_output)

# run connected board info - if it returns TRUE it means we found at least one board. if not it will exit
if getConnectedBoardInfo():
   root = Tk()
   root.title('IDE POC')
   #root.geometry("1000x650")

   frame=Frame(root, width=1000, height=650)
   frame.pack()

   text = Text(frame)
   text.insert(INSERT, getBlinkFile())
   text.place(x=5, y=5, height=600, width=990)
   #text.pack()

   B = Button(frame, text = "Compile and upload ->" + NAME + " " + PORT, command = buttonPress)
   B.place(x = 5,y = 615)

   root.mainloop()
else:
   print("NO BOARD IS CONNECTED!!")